太平洋地区运用科学 积极防治海平面升高
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科学60秒:树木造就的现代河流
Rivers today have high muddy banks, sandbars and bends. But they didn’t always look that way. Because it wasn’t until the of tree-like plants, some 330 million years ago, that rivers were corr...
(笑话)愚蠢的命令
笑话Stupid Orders When Nasreddin was a boy, he never did what he was told, so his father always told him to do the opposite of what he wanted him to do. One day, when the two were bringing sa
丘吉尔的演讲
短文I have nothing to offer but blood, toil, tears, and sweat. We have before us an ordeal of the most grievous kind. We have before us many, many months of struggle and suffering. You ask, what ...
直面内在的敌人
短文Facing the Enemies Within We are not born with courage, but neither are we born with fear. Maybe some of our fears are brought on by your own experiences, by what someone has told you, by...